Earthquake with magnitude of ML 1.1 on date 10-05-2022 and time 07:40:17 (Italy) in region 3 km S Impruneta (FI)

A magnitude ML 1.1 earthquake occured in region: 3 km S Impruneta (FI), on

  • 10-05-2022 05:40:17 (UTC)
  • 10-05-2022 07:40:17 (UTC +02:00) Italian time

and geographic coordinates (lat, lon) 43.6570, 11.2540 at 9 km depth.

The earthquake was located by: Sala Sismica INGV-Roma.

Search earthquakes: Any within 30 km radius

The values of hypocentral coordinates and magnitude may be revised at a later time as more information becomes available.

Municipalities within 20 km from the epicenter

Distances are determinated based on the geographic coordintes of the (Istat).
Municipality Region Dist Inh Cum Inh
Impruneta FI 3 14615 14615
San Casciano in Val di Pesa FI 6 17062 31677
Greve in Chianti FI 10 13862 45539
Bagno a Ripoli FI 12 25611 71150
Tavarnelle Val di Pesa FI 12 7800 78950
Firenze FI 13 382808 461758
Scandicci FI 13 50609 512367
Barberino Val d'Elsa FI 14 4386 516753
Montespertoli FI 14 13537 530290
Figline e Incisa Valdarno FI 16 23505 553795
Fiesole FI 17 13969 567764
Lastra a Signa FI 17 20156 587920
Rignano sull'Arno FI 18 8651 596571
Signa FI 19 19179 615750

Municipalities with at least 50000 inhabitants

An earthquake occurred to
13 Km S of Firenze (382808 inhabitants)
13 Km SE of Scandicci (50609 inhabitants)
28 Km SE of Prato (191150 inhabitants)
38 Km N of Siena (53903 inhabitants)
41 Km SE of Pistoia (90315 inhabitants)
55 Km W of Arezzo (99543 inhabitants)
64 Km E of Lucca (89046 inhabitants)
69 Km E of Pisa (89158 inhabitants)
77 Km E of Livorno (159219 inhabitants)
84 Km E of Viareggio (62467 inhabitants)
86 Km SW of Imola (69797 inhabitants)
86 Km SW of Faenza (58541 inhabitants)
89 Km SW of Forlì (117913 inhabitants)
94 Km S of Bologna (386663 inhabitants)
96 Km SW of Cesena (96758 inhabitants)
99 Km E of Massa (69479 inhabitants)
100 Km N of Grosseto (82087 inhabitants)
Recent and historical seismicity
Seismic hazard
Shakemap
Felt maps
Locations history
Type Magnitude Date and Time (UTC) Latitude Longitude Depth (km) Published time (UTC) Author Location ID
Reviewed
Rev100
ML 1.1 2022-05-10
05:40:17
43.6568 11.2542 9 2022-05-10
05:48:56
Sala Sismica INGV-Roma 104431921
Preferred location and magnitude until now.
Origin information

Origin

Field Value
Time (UTC) 2022-05-10 05:40:17 ± 0.09
Latitude 43.6568 ± 0.0054
Longitude 11.2542 ± 0.0075
Depth (km) 9 ± 1 (from location)
Evaluation mode of Origin manual
Evaluation status of Origin reviewed
Version 100 -> SURVEY-INGV
Event type earthquake
Origin ID 104431921

Uncertainty

Field Value
Preferred uncertainty description uncertainty ellipse
Semi-major axis of confidence ellipse (meter) 646
Semi-minor axis of confidence ellipse (meter) 514
Azimuth of major axis of confidence ellipse. Measured clockwise from South-North direction at epicenter (gradi) 255
Circular confidence region, given by single value of horizontal uncertainty (meter) 650.0
Confidence level of the uncertainty (%) 68

Quality

Field Value
Largest azimuthal gap in station distribution as seen from epicenter (degree) 88
Number of associated phases, regardless of their use for origin computation 18
Number of defining phases 18
RMS of the travel time residuals of the arrivals used for the origin computation (sec) 0.23
Epicentral distance of station closest to the epicenter (degree) 0.02248
Epicentral distance of station farthest from the epicenter (degree) 0.40469
Number of stations at which the event was observed 10
Number of stations from which data was used for origin computation 10
Magnitude information

ML:1.1

Field Value
Value 1.1
Uncertainty 0.6
Num. used stations 10
Type of magnitude ML
Reference to an origin 104431921
Agency INGV
Autore Sala Sismica INGV-Roma
Time of creation (UTC) 2022-05-10 05:48:56
Picking and Arrival
SCNL Time Uncertainty Polarity Evaluation_mode Phase Azimuth Distance(km) Takeoff_angle Residual Weight
IV.SEI.HHZ. 2022-05-10T05:40:33.63 0.6 undecidable manual S 11 44.9217 50 0.99 34
IV.MPPT.EHN. 2022-05-10T05:40:30.06 0.6 undecidable manual S 339 35.8419 50 -0.17 46
IV.BOSL.HHZ. 2022-05-10T05:40:28.99 0.6 undecidable manual S 18 31.9458 50 -0.19 46
IV.RUFI.EHZ. 2022-05-10T05:40:27.97 0.6 undecidable manual S 45 28.6491 108 -0.26 45
IV.CRMI.HHZ. 2022-05-10T05:40:27.46 0.6 undecidable manual S 305 26.8509 109 -0.17 46
IV.SEI.HHZ. 2022-05-10T05:40:26.41 0.6 undecidable manual P 11 44.9217 50 0.05 46
IV.CSNT.HHZ. 2022-05-10T05:40:25.34 0.6 undecidable manual S 172 20.5683 114 -0.25 46
IV.MPPT.EHN. 2022-05-10T05:40:24.59 0.1 undecidable manual P 339 35.8419 50 -0.38 87
IV.BOSL.HHZ. 2022-05-10T05:40:24.41 0.6 undecidable manual P 18 31.9458 50 0.05 47
IV.CRMI.HHZ. 2022-05-10T05:40:23.33 1.0 undecidable manual P 305 26.8509 109 -0.13 23
IV.RUFI.EHZ. 2022-05-10T05:40:23.95 0.3 positive manual P 45 28.6491 108 0.14 70
IV.CSNT.HHZ. 2022-05-10T05:40:22.18 0.1 positive manual P 172 20.5683 114 -0.11 95
IV.OSSC.HHZ. 2022-05-10T05:40:21.36 0.6 positive manual P 183 14.7741 122 0.1 48
ZH.T1646.HNE. 2022-05-10T05:40:21.10 0.1 undecidable manual P 271 11.6772 128 0.35 92
ZH.T1647.EHE. 2022-05-10T05:40:21.92 0.6 undecidable manual S 140 7.1928 142 0.1 49
ZH.T1647.EHE. 2022-05-10T05:40:20.26 0.1 undecidable manual P 140 7.1928 142 0.15 97
ZH.T1648.EHE. 2022-05-10T05:40:20.84 0.6 undecidable manual S 67 2.4975 165 -0.23 48
ZH.T1648.EHE. 2022-05-10T05:40:19.69 0.1 undecidable manual P 67 2.4975 165 0.01 100
Station Magnitude and Amplitude
SCNL mag Generic_amplitude Period Type Category Unit Time_window_reference
IV.OSSC.HHE. ML:1.3 0.00019250000000000002 1.36 AML other m 2022-05-10T05:40:23.30
IV.OSSC.HHN. ML:1.2 0.000157 1.16 AML other m 2022-05-10T05:40:24.41
IV.CSNT.HHN. ML:1.1 0.00008695 0.18 AML other m 2022-05-10T05:40:26.20
IV.CSNT.HHE. ML:1.2 0.00010300000000000001 0.9 AML other m 2022-05-10T05:40:27.81
IV.CRMI.HHE. ML:0.9 0.0000447 1.58 AML other m 2022-05-10T05:40:27.97
IV.CRMI.HHN. ML:1.1 0.00006365 0.4 AML other m 2022-05-10T05:40:28.20
IV.BOSL.HHE. ML:0.6 0.0000214 0.32 AML other m 2022-05-10T05:40:29.39
IV.BOSL.HHN. ML:0.6 0.000020150000000000002 0.42 AML other m 2022-05-10T05:40:30.98
IV.IMOL.HNN. ML:4.2 0.01905 0.06 AML other m 2022-05-10T05:40:36.95
IV.IMOL.HNE. ML:4.0 0.012850000000000002 0.06 AML other m 2022-05-10T05:40:38.82
TDMT - Time Domain Moment Tensor
Fault Plane solutions in the area
Download
Type Description Link
QuakeML - small Event, Origin, FocalMechanism Download
QuakeML - full Event, Origin, FocalMechanism, Amplitude, Arrival, Pick, Station Magnitude Download